It is a bottlenecked centerfire cartridge that is somewhat similar to the .22 Hornet in power....
FN's 5.7×28mm firearms—the P90 personal defense weapon and Five-seven pistol—are in service with military and police forces in over 40 nations throughout the world. In the United States, 5.7×28mm firearms are currently used by numerous law enforcement agencies, including the U.S. Secret Service
For home defense other than a shotgun its a very good cartridge.... It is the pistol used in the Fort Hood shooting by Major Nidal Hasan who killed so many people.
Norman Solberg
International lawyer, lately for 25 years in Japan, now working on trusts in the US, the 3rd greatest tax haven. NRA Life Member for over 50 years, NRA Endowment (2014), Patron (2016).
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